单项选择题
The （）(桶装货) should be loaded by cargo net.
A. bagged cargo B. drummed cargo C. cased cargo D. deck cargo
单项选择题 That is the （）(有毒的)cargo.
单项选择题 That is the（）(易腐蚀的) cargo.
单项选择题 That is the（）(易爆的) cargo.
